Xml帮助类

Posted 2020-08-09 576

 

   public class XMLHelper
    {
        #region  将xml文件转换为object对象类型 
        /// <summary>
        /// 将xml文件转换为object对象类型 
        /// </summary>
        /// <param name="path">xml文件的路径</param>
        /// <param name="type">要转换的类型的Type类型</param>
        /// <returns></returns>
        public static object ConvertXMLToObject(string path, Type type)
        {
            object obj = null;
            using (StreamReader reader = new StreamReader(path))
            {
                string content = reader.ReadToEnd();
                if (null == content)
                {
                    throw new ArgumentNullException("xml");
                }
                if (null == type)
                {
                    throw new ArgumentNullException("type");
                }
                XmlSerializer serializer = new XmlSerializer(type);
                StringReader strReader = new StringReader(content);
                XmlReader xreader = new XmlTextReader(strReader);
                try
                {
                    obj = serializer.Deserialize(xreader);
                }
                catch(InvalidOperationException ie)
                {
                    throw new InvalidOperationException("Can not convert xml to object", ie);
                }
                finally
                {
                    xreader.Close();
                }
                return obj;
            }
        }
        #endregion

        #region  将object对象转成xml保存
        /// <summary>
        /// 将object对象转成xml保存
        /// </summary>
        /// <param name="path">保存到xml文件的路径</param>
        /// <param name="obj">待转换的对象</param>
        /// <param name="toBeIndented">xml是否缩进 true：缩进，false:不缩进</param>
        public static void SaveObjectXML(string path, object obj, bool toBeIndented=true)
        {
            if (null == obj)
            {
                throw new ArgumentNullException("obj");
            }
            UTF8Encoding encoding = new UTF8Encoding(false);
            XmlSerializer serializer = new XmlSerializer(obj.GetType());
            MemoryStream stream = new MemoryStream();
            XmlTextWriter writer = new XmlTextWriter(stream, encoding);
            writer.Formatting = toBeIndented ? Formatting.Indented : Formatting.None;
            try
            {
                serializer.Serialize(writer, obj);
            }
            catch (InvalidOperationException ie)
            {
                throw new InvalidOperationException("Can not convert object to xml.", ie);
            }
            finally
            {
                writer.Close();
            }
            string xml = encoding.GetString(stream.ToArray());
            using (StreamWriter swriter = new StreamWriter(path))
            {
                swriter.Write(xml);
            }
        } 
        #endregion

    }

View Code